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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: bionic
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https://bugs.launchpad.net/bugs/1788461
Title:
Wired network problems after upgrade to Bionic
Status in linux package in Ubuntu:
Incomplete
Bug description:
After upgrade to bionic i have strange problem with wired network. The
link seems to be up but dhcp does not get address and hangs forever
and no packet gets through.
When i swicth on wireless i can connect to my home network and dhcp
receives address (from the same router in same network) without any
problem.
I can see several kind of logs in dmesg:
martin@BSR480:~$ dmesg | grep eth
[ 1.209334] sky2 0000:07:00.0 eth0: addr 00:24:54:26:b3:27
[ 1.233664] sky2 0000:07:00.0 enp7s0: renamed from eth0
martin@BSR480:~$ dmesg | grep enp7s0
[ 1.233664] sky2 0000:07:00.0 enp7s0: renamed from eth0
[ 6.839456] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready
[ 6.843546] sky2 0000:07:00.0 enp7s0: enabling interface
[ 6.845103] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready
[ 9.180266] sky2 0000:07:00.0 enp7s0: Link is up at 1000 Mbps, full
duplex, flow control rx
[ 9.180323] IPv6: ADDRCONF(NETDEV_CHANGE): enp7s0: link becomes ready
And in another part of the log if i scroll it through i see:
[ 1384.381388] WARNING: CPU: 2 PID: 5567 at
/build/linux-wuhukg/linux-4.15.0/net/mac80211/rx.c:629
ieee80211_rx_napi+0x93b/0xa90 [mac80211]
[ 1384.381390] Modules linked in: nfsv3 nfs_acl nfs pci_stub vboxpci(OE)
lockd grace fscache vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter
ebtables ccm ip6table_filter ip6_tables devlink iptable_filter bnep
snd_hda_codec_hdmi hid_generic uas usb_storage usbhid hid binfmt_misc
nvidia_uvm(POE) ir_lirc_codec lirc_dev rtl2832_sdr r820t mn88473 rtl2832
i2c_mux samsung_laptop intel_powerclamp coretemp kvm_intel
snd_hda_codec_realtek snd_hda_codec_generic kvm irqbypass snd_hda_intel
dvb_usb_rtl28xxu crct10dif_pclmul snd_hda_codec crc32_pclmul dvb_usb_v2
ghash_clmulni_intel uvcvideo
[ 1384.381422] dvb_core snd_hda_core pcbc snd_hwdep videobuf2_vmalloc arc4
videobuf2_memops rc_core videobuf2_v4l2 snd_pcm videobuf2_core btusb videodev
btrtl btbcm btintel bluetooth media ecdh_generic snd_seq_midi aesni_intel ath9k
snd_seq_midi_event aes_x86_64 crypto_simd glue_helper cryptd intel_cstate
snd_rawmidi nvidia(POE) ath9k_common input_leds snd_seq ath9k_hw joydev
serio_raw ath snd_seq_device mac80211 snd_timer snd intel_ips cfg80211 drm
soundcore shpchp lpc_ich mac_hid sch_fq_codel cuse parport_pc sunrpc ppdev lp
parport ip_tables x_tables autofs4 psmouse ahci libahci sky2 video
[ 1384.381454] CPU: 2 PID: 5567 Comm: PK-Backend Tainted: P W OE
4.15.0-32-generic #35-Ubuntu
[ 1384.381455] Hardware name: SAMSUNG ELECTRONICS CO., LTD. R480/R431/R481
/R480/R431/R481 , BIOS 09SZ.M013.20100525.XW 05/25/2010
[ 1384.381468] RIP: 0010:ieee80211_rx_napi+0x93b/0xa90 [mac80211]
[ 1384.381469] RSP: 0000:ffff8c4823d03d10 EFLAGS: 00010246
[ 1384.381470] RAX: 0000000000010000 RBX: ffff8c48171fe000 RCX:
0000000000000002
[ 1384.381471] RDX: 0000000000000004 RSI: 0000000000000000 RDI:
ffffffffc108e000
[ 1384.381472] RBP: ffff8c4823d03de0 R08: 0000000000000001 R09:
0000000000000001
[ 1384.381472] R10: 0000000000000000 R11: 0000000000000001 R12:
ffff8c4816d00760
[ 1384.381473] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000004
[ 1384.381474] FS: 00007fe00ce54700(0000) GS:ffff8c4823d00000(0000)
knlGS:0000000000000000
[ 1384.381475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1384.381476] CR2: 00007fdffd1d1000 CR3: 000000016ef24005 CR4:
00000000000206e0
[ 1384.381477] Call Trace:
[ 1384.381479] <IRQ>
[ 1384.381493] ? ar9002_hw_antdiv_comb_conf_set+0x67/0x70 [ath9k_hw]
[ 1384.381499] ? ath_ant_comb_scan+0x3ec/0xaf0 [ath9k]
[ 1384.381502] ath_rx_tasklet+0xa73/0xf90 [ath9k]
[ 1384.381506] ath9k_tasklet+0x171/0x250 [ath9k]
[ 1384.381510] tasklet_action+0x64/0x110
[ 1384.381512] __do_softirq+0xe4/0x2bb
[ 1384.381514] irq_exit+0xb8/0xc0
[ 1384.381516] do_IRQ+0x8a/0xd0
[ 1384.381518] common_interrupt+0x84/0x84
[ 1384.381518] </IRQ>
[ 1384.381520] RIP: 0033:0x7fe00e9a1f58
[ 1384.381521] RSP: 002b:00007fe00ce53950 EFLAGS: 00000202 ORIG_RAX:
ffffffffffffffde
[ 1384.381522] RAX: 00000000000dd2ba RBX: 00007fdffcccaa90 RCX:
00007fdffc147330
[ 1384.381523] RDX: 00007fdff901b000 RSI: 00007fdffc147330 RDI:
00007fdffcccaa90
[ 1384.381523] RBP: 00007fdff98b1060 R08: 00007fdff901b000 R09:
00007fdff901b000
[ 1384.381524] R10: 000000000000c547 R11: 00000000000070c1 R12:
0000000000010ffb
[ 1384.381525] R13: 00007fe00ce53ac0 R14: 00007fe00ce539d0 R15:
00000000cccccccd
[ 1384.381526] Code: c4 48 85 c0 0f 84 80 fa ff ff 48 8b 95 70 ff ff ff 4c 8b
b3 d8 00 00 00 44 8b 85 60 ff ff ff 4c 8b ba d8 00 00 00 e9 42 f9 ff ff <0f> 0b
48 89 df e8 3b 3d f7 c4 e9 98 f7 ff ff 48 89 de 4c 89 e7
[ 1384.381549] ---[ end trace 7a6e1aa94a655d72 ]---
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